Geothermal heat for greenhouses and project development in The Netherlands Presentation: Der Geothermie Kongress 3 November 2015 Essen, Germany Radboud Vorage GreenhouseGeoPower
Introduction Ir. Radboud Vorage Engineer, MSc (WUR) Project manager (Koekoekspolder and Venlo 2) • Geothermal clusters (3 to 5 greenhouses) • GreenhouseGeoPower, Agribusiness in The Netherlands • Member/co-founder of Dutch Association of Geothermal • operators (DAGO) Member of the Dutch ‘Knowledge Agenda’ for geothermal • research
Horticultural sector in NL • Internationally leading sector (innovation and business) • Greenport Holland is important part of the Dutch economy Employment 400.000 full time jobs • • Production value € 7.900 million Export/import € 15.600 million • • Stable economic sector • International orientation • 9.500 hectares of greenhouses in NL 0,5 % of national surface, in concentrated areas •
Spacial distribution of Greenhouses
Heat demand in greenhouses Total natural gas use (4.300 million m³ yearly) • Partly heating with use of Combined Heat and Power (3.000 MW) • Natural gas use approx. 25-35 m³ natural gas/m² per year for heat • Average price natural gas is € 0,20 – 0,24 per m³ • Energy costs about 20-30% of production costs in horticulture •
Geothermal potential in the Netherlands and concessions
Opportunities to combine geothermal with regional clusters of greenhouses Horticulture has a relative high heat demand Heat demand is limited to a specific area Heat distribution-netwerk in greenhouses is already in place Almost year-round demand for heat Knowledge on handeling heatflows in horticulture is available High potential for cooling down to 25-35 degrees Celcius Still limited use of geothermal heat (1,5%) in total heat consumption GigaJoule production in Koekoekspolder 2015 5000,0 4000,0 GJ per week 3000,0 2000,0 1000,0 0,0 week 1 week 3 week 5 week 7 week 9 week 11 week 13 week 15 week 17 week 19 week 21 week 23 week 25 week 27 week 29 week 31 week 33 week 35 week 37 week 39 week 41 week 43 week 45 week 47 week 49 week 51 week 53
High utilization, good businesscase Clusters provide excelent opportunities for long-term and stable demand of heat (60-95 degrees) High demand, means optimal use of the geothermal well Opportunities for use of heatpumps, increase of ∆t Coming years 2-3 geothermal projects per year expected in NL Biggest constraint is finding capital for investment, not good projects
Design of a geothermal cluster Combine different greenhouses / types of crops Stimulate cooperation between greenhouses Opportunities for marketing low carbon-footprint crops
Koekoekspolder, IJsselmuiden Horticultural development area • One Doublet, 7,5 MWth • Second one planned 2017 • 7 doublets possible • Innovation in composite materials and radial drilling
Californië, Venlo Horticultural development area http://www.californie.nu/ • One Triplet, 11 MWth • Second one planned in December 2015, KCA Deutag • 4-5 doublets possible • Innovation in Casing Drilling technique in Kohlenkalk
Agriport A7, Middenmeer Horticultural development area www.ecwnetwerk.nl • Two Doublets, each 13 MWth • Long-term development plans • 11 doublets possible • Innovation in optimal utilization of reservoir
Innovations on materials and corrosion controle
Conclusions • Strong development towards the use of more geothermal heat in the horticultural sector • Lessons learned on exploitation and maintenance of geothermal systems • Improvements in optimal utalization of heat in Greenhouses • Gouvernemental support with SDE, geological risk insurance and ‘ knowledge agenda’ • Various innovations (composite and corrosion control) • Clusters provide a stable demand for geothermal heat • Horticultural areas best location for profitable (60-95 degrees) geothermal projects
Thank you for your attention Any questions? Info: http://www.geothermie.nl/ http://www.nlog.nl/ http://www.dago.nu/nl/geothermie http://www.greenhousegeopower.nl/ https://www.kasalsenergiebron.nl/duur zame-energie/aardwarmte/ Radboud Vorage 06-51431301 greenhousegeopower@hotmail.com www.greenhousegeopower.nl
Recommend
More recommend
